price match

I order Huawei pro 30 pre-owned on Nov 18, 2019 by online, just got the phone on Nov22 and paid $180.8 for the 2-year term, today I find the price changes to $60 for 2- year term, I called the call centre, they told me it better I return this phone and reorder new one to get the new price. It will wast resource and labour. do you have a good way to let me have the new price without return the phone?